Use accountIdService to retrieve current Account Id.

src/accounts/index.ts

@@ -54,7 +54,7 @@ export default angular.module('accountant.accounts', [
     }))
 
     .run(function($transitions, accountIdService) {
-        $transitions.onSuccess({}, (transition) => {
+        $transitions.onEnter({}, (transition) => {
             accountIdService.set(transition.params().accountId);
         });
     })

src/operations/balance-chart.component.ts

@@ -25,8 +25,11 @@ var angular = require('angular');
 
 var ngResource = require('angular-resource');
 
+import accountModule from '@accountant/accounts';
+
 module.exports = angular.module('balanceChartModule', [
-    ngResource
+    ngResource,
+    accountModule
 ])
 
     .component('balanceChart', {
@@ -35,12 +38,12 @@ module.exports = angular.module('balanceChartModule', [
             account: '<',
             onUpdate: '&'
         },
-        controller: function($stateParams, Balances, $element) {
+        controller: function(accountIdService, Balances, $element) {
             var vm = this;
 
             vm.loadData = function() {
                 Balances.query({
-                    id: $stateParams.accountId
+                    id: accountIdService.get()
                 }, function(results) {
                     var headers = [['date', 'balances', 'expenses', 'revenues']];